<template>
  <div class="shopcar-info">
    <div class="goodslist">
      <!-- 商品列表 -->
      <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch 
            v-model="$store.getters.getGoodsSelected[item.id]"
            @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"></mt-switch>            
            <img :src="item.thumb_path" alt="">
            <div class="info">
              <h1>{{ item.title }}</h1>
              <p>
                <span class="price">￥{{ item.sell_price }}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                <!-- 以本地缓存中的id作为属性名，count作为值构件一个对象 -->
                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                <!-- 这里item.id用来删除vuex中car里面的数据，索引值i用来删除goodlist中的数据 -->
              </p>
            </div>
          </div>
        </div>
      </div>
<!-- 结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner total">
            <div class="left">
              <p>总计（不含运费）</p>
              <p>已勾选商品<span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span>件，总价<span class="red">￥{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import numbox from '../subcomponents/shopcar_numbox.vue'
  export default {
    data () {
      return {
        goodslist:[]
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      getGoodsList() {
        //获取到store中所有的商品的id 然后拼接处一个用 ， 分割的字符串
        var idArr = [];
        this.$store.state.car.forEach(item => {
          idArr.push(item.id)
        })
        //如果数组中没有数据，就不要发送请求
        if(idArr.length <= 0) {
          return;
        }
        this.$http.get('api/goods/getshopcarlist/' + idArr.join(',')).then(result => {
          if(result.body.status === 0) {
            this.goodslist = result.body.message;
          }
        })
      },
      remove(id, index) {
        this.goodslist.splice(index, 1);
        this.$store.commit('removeFromCar', id)
      },
      selectedChanged(id, val) {
        this.$store.commit('updateGoodSeleted', {
          id:id,
          selected: val
        })
      }
    },
    components: {
      numbox
    }
  }
</script>

<style lang="scss" scoped>
  .shopcar-info {
    background-color: #eee;
    overflow: hidden;
    .goodslist {
      img {
        width: 60px;
        height: 60px;
      }
      h1 {
        font-size: 14px;
      }
      .mui-card-content-inner {
        display: flex;
        align-items: center;
      }
      .info {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        .price {
          color: red;
          font-weight: bold;
        }
      }
    }
    .total {
      display:flex;
      justify-content: space-between;
      align-items: center;
      .red {
        color: red;
        font-weight: bold;
        font-size: 16px;
      }
    }
  }
</style>
